Question: what is the population of prato in 2017-1-1?
Paraphrase: In 2017-1-1, what was Prato's population?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q13377 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2017')) }